81923160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1171}}^1$

素因数の和:1249

約数の個数: 128

約数和(自身を含む): 273404160

約数和(自身を除く): 191481000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 53, 55, 60, 66, 88, 106, 110, 120, 132, 159, 165, 212, 220, 264, 265, 318, 330, 424, 440, 530, 583, 636, 660, 795, 1060, 1166, 1171, 1272, 1320, 1590, 1749, 2120, 2332, 2342, 2915, 3180, 3498, 3513, 4664, 4684, 5830, 5855, 6360, 6996, 7026, 8745, 9368, 11660, 11710, 12881, 13992, 14052, 17490, 17565, 23320, 23420, 25762, 28104, 34980, 35130, 38643, 46840, 51524, 62063, 64405, 69960, 70260, 77286, 103048, 124126, 128810, 140520, 154572, 186189, 193215, 248252, 257620, 309144, 310315, 372378, 386430, 496504, 515240, 620630, 682693, 744756, 772860, 930945, 1241260, 1365386, 1489512, 1545720, 1861890, 2048079, 2482520, 2730772, 3413465, 3723780, 4096158, 5461544, 6826930, 7447560, 8192316, 10240395, 13653860, 16384632, 20480790, 27307720, 40961580, 81923160]

約数ペア:

[(1, 81923160), (2, 40961580), (3, 27307720), (4, 20480790), (5, 16384632), (6, 13653860), (8, 10240395), (10, 8192316), (11, 7447560), (12, 6826930), (15, 5461544), (20, 4096158), (22, 3723780), (24, 3413465), (30, 2730772), (33, 2482520), (40, 2048079), (44, 1861890), (53, 1545720), (55, 1489512), (60, 1365386), (66, 1241260), (88, 930945), (106, 772860), (110, 744756), (120, 682693), (132, 620630), (159, 515240), (165, 496504), (212, 386430), (220, 372378), (264, 310315), (265, 309144), (318, 257620), (330, 248252), (424, 193215), (440, 186189), (530, 154572), (583, 140520), (636, 128810), (660, 124126), (795, 103048), (1060, 77286), (1166, 70260), (1171, 69960), (1272, 64405), (1320, 62063), (1590, 51524), (1749, 46840), (2120, 38643), (2332, 35130), (2342, 34980), (2915, 28104), (3180, 25762), (3498, 23420), (3513, 23320), (4664, 17565), (4684, 17490), (5830, 14052), (5855, 13992), (6360, 12881), (6996, 11710), (7026, 11660), (8745, 9368)]